Dog eating egg shell powder

Can Dogs Eat Egg Shells? A Complete Guide on How to Safely Give Them

Written by: Sean Payne

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Published on

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Time to read 11 min

Introduction

As a dog owner, you’re likely always on the lookout for natural ways to boost your pet’s health. One question that frequently comes up is about dogs and egg shells. Dogs egg shells can be a natural source of calcium when properly prepared and administered. It’s recommended to use eggs from organic, pasture-raised chickens to avoid harmful chemicals. But is this kitchen byproduct really safe for your furry friend? And if so, how should you prepare it?

It’s also important to cook eggs properly for dogs, as cooked eggs can be a healthy addition to their diet. Most veterinarians recommend cooking eggs before feeding them to dogs to mitigate health risks. This comprehensive guide will answer the common question “can dogs eat egg shells?” while providing you with evidence-based information on benefits, preparation methods, and safety considerations. Whether you have a growing puppy, an active adult dog, or a senior pet with specific nutritional needs, understanding how to properly incorporate egg shells into their dog's diet could provide significant health benefits.

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Can Dogs Eat Egg Shells? Safety and Benefits Explained

Yes, can dogs eat egg shells when they’re properly prepared and ground into a fine powder. Egg shells are primarily composed of calcium carbonate, which is the same compound found in many commercial calcium supplements. They also contain other minerals besides calcium, including small amounts of phosphorus and magnesium. This makes them a natural alternative for supplementing your dog’s calcium intake. Incorporating eggshells into a dog's food can enhance their diet with beneficial nutrients and supplements.

Cooked eggs can also be a nutritious addition to your dog’s diet. They provide essential nutrients and are safer than raw eggs, as cooking eliminates harmful bacteria and retains most of the nutritional benefits without the need for additives like salt or seasonings. Eggs can help support dogs’ skin and coat health, making them a valuable dietary addition. Including cooked eggs in a dog's meal can offer essential vitamins and amino acids, contributing to their overall health.

According to research published in the Journal of Veterinary Science, eggshell supplementation has shown remarkable benefits for dogs, including:

  • 20.5% improvement in joint function after just one week

  • 19.4% reduction in pain levels compared to placebo treatments

  • 47.9% improvement in cartilage degradation markers

These findings suggest that eggshells aren’t just safe but potentially beneficial for your dog’s overall health when used correctly.

Dogs eating egg shell powder

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Can My Dog Eat Egg Shells? Safety Considerations for Different Breeds

Can my dog eat egg shells? The answer is yes, but they must be properly cleaned, sterilized, and ground. Eggshells should be finely ground for dogs to make them easier to digest and to prevent choking hazards. While egg shells are generally safe for most dogs, there are some considerations based on breed, size, and health condition:

  • Small breeds may require smaller doses due to their size and metabolism

  • Dogs with certain health conditions (like hypercalcemia) should avoid additional calcium

  • Puppies in growth stages have different calcium requirements than adult dogs

  • Senior dogs may benefit from the additional calcium support for aging joints

Always consult with your veterinarian before adding any supplement to your dog’s diet, especially if they have existing health conditions or are on medication. Consulting a veterinarian ensures that any changes to your dog’s diet, including the addition of eggs or eggshells, are safe and appropriate for their specific health needs. Additionally, monitor how your dog eats eggshells and watch for any potential reactions.

Are Eggshells Good for Dogs? Nutritional Benefits Explored

Research shows that are eggshells good for dogs due to their high calcium content and bioavailability. Properly processed eggshell powder in dog biscuits can provide up to 507.12 mg of calcium per 100g, meeting recommended dietary requirements for most dogs. Calcium contributes to other bodily functions, including heart rhythm, muscle growth, and nerve transmission.

In addition to eggshells, dogs eat eggs for their nutritional benefits. Eggs are a great source of protein and can be safely incorporated into a dog's diet. Using high-quality, organic eggs ensures that dogs avoid harmful chemicals.

Egg yolks are also highly beneficial for dogs, as they contain healthy fats, nutrients, and essential amino acids that support overall health, whether served raw or cooked.

The egg shell benefits for dogs extend beyond just calcium supplementation:

  1. Bone Health Support : The calcium in eggshells helps maintain strong bones, particularly important for growing puppies and senior dogs.

  2. Joint Function Improvement : Studies have shown that eggshell membrane contains glucosamine, chondroitin, and hyaluronic acid – all compounds that support joint health.

  3. Natural Calcium Source : Unlike synthetic supplements, eggshells provide calcium in a natural form that’s easily recognized and utilized by your dog’s body.

  4. Cost-Effective Supplementation : Repurposing eggshells from your kitchen provides a budget-friendly alternative to commercial supplements.

  5. Environmental Benefits : Using eggshells reduces waste and provides a sustainable approach to pet nutrition.

  6. Additional Minerals : Eggshells also contain small amounts of phosphorus and magnesium, which contribute to overall health.

  7. Bone Health Support : The calcium in eggshells helps maintain strong bones, particularly important for growing puppies and senior dogs.

  8. Joint Function Improvement : Studies have shown that eggshell membrane contains glucosamine, chondroitin, and hyaluronic acid – all compounds that support joint health.

  9. Natural Calcium Source : Unlike synthetic supplements, eggshells provide calcium in a natural form that’s easily recognized and utilized by your dog’s body.

  10. Cost-Effective Supplementation : Repurposing eggshells from your kitchen provides a budget-friendly alternative to commercial supplements.

  11. Environmental Benefits : Using eggshells reduces waste and provides a sustainable approach to pet nutrition.

The American Kennel Club endorses eggs as a nutritious treat for dogs, particularly beneficial for older dogs, those with joint issues, or dogs requiring additional calcium supplementation.

Can Dogs Have Eggshells? What Veterinarians Recommend

Veterinarians confirm that can dogs have eggshells as a supplement, but proper preparation is crucial. Most veterinary experts agree that eggshells can be a valuable addition to a dog’s diet when prepared correctly and given in appropriate amounts.

Incorporating eggshells into a dog's meals can enhance their homemade diets, providing essential calcium and other nutrients. Dr. Karen B, a proactive and integrative wellness veterinarian, notes: “Eggshell powder is an excellent source of calcium for dogs, especially those on homemade diets. However, it’s crucial to prepare them properly to eliminate potential bacterial contamination.”

Veterinary recommendations typically include:

  • Using eggshells from organic or free-range eggs when possible

  • Thoroughly cleaning and sterilizing shells before processing

  • Grinding shells into a fine powder to prevent digestive issues

  • Starting with small amounts to monitor your dog’s reaction

  • Adjusting dosage based on your dog’s size, age, and specific needs

It’s worth noting that while many vets support eggshell supplementation, they emphasize that it should complement a balanced diet rather than replace proper nutrition.

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How to Give Dogs Egg Shells: Step-by-Step Preparation Guide

Learning how to give dogs egg shells properly involves cooking eggs to ensure safety, cleaning, sterilizing, and grinding them into a fine powder. Eggshells must be dried thoroughly after washing to ensure they are safe before feeding. Follow this detailed process to ensure safety and maximize benefits: Finally, grind the dried eggshells into egg shell powder to enhance your dog's calcium intake.

Step 1: Collect and Clean the Eggshells

  1. Save eggshells after cooking, preferably from organic or free-range eggs

  2. Rinse shells thoroughly under running water to remove egg residue

  3. Remove the inner membrane if possible (though it contains beneficial proteins)

  4. Place cleaned shells in a bowl for further processing

It’s important to use eggs from trusted sources for dogs eggs to ensure they are safe and free from harmful additives.

Step 2: Sterilize the Eggshells

When preparing egg shells for dogs, always use eggs from trusted sources and follow proper sterilization procedures. This critical step eliminates potential bacterial contamination:

  1. Place cleaned eggshells in a pot of water

  2. Bring water to a boil

  3. Boil the shells for 25 minutes to ensure complete sterilization

  4. Remove shells from water and drain well

For dog eggshells, it is important to use organic, pasture-raised eggs to ensure the highest quality and safety. Additionally, using hard boiled eggs is recommended for safety, as they eliminate the risk of harmful additives found in processed egg dishes.

Step 3: Dry the Eggshells

  1. Preheat your oven to 250°F (120°C)

  2. Spread the boiled eggshells on a baking sheet in a single layer

  3. Bake for 20 minutes to ensure they’re completely dry

  4. Allow shells to cool completely before proceeding

Eggshell Powder for Dogs: Making and Storing at Home

To create eggshell powder for dogs:

  1. Place dried eggshells in a clean coffee grinder, food processor, or high-powered blender

  2. Grind until you achieve a fine, consistent powder (similar to flour consistency)

  3. Store in an airtight container in the refrigerator

  4. Homemade eggshell powder for dogs can be stored in the refrigerator for up to 90 days

Grinding Egg Shells for Dogs: Tools and Techniques

The grinding process is crucial for safety and digestibility. When grinding egg shells for dogs, consider these options:

  • Coffee Grinder : Provides the finest powder consistency (recommended)

  • Food Processor : Works well for larger batches

  • Mortar and Pestle : Labor-intensive but effective for small amounts

  • Rolling Pin Method : Place shells in a sealed bag and crush with a rolling pin (less consistent results)

The powder should be fine enough that it feels like flour between your fingers, with no sharp edges or visible fragments that could irritate your dog’s digestive tract.

Preparing Egg Shells for Dogs: Safe Methods and Storage

When preparing egg shells for dogs, always use eggs from trusted sources and follow proper sterilization procedures. Quality control is essential for safety:

  1. Source Selection : Use eggs from trusted suppliers, preferably organic and pasture-raised sources

  2. Freshness Check : Only use shells from eggs that were fresh and properly stored

  3. Contamination Prevention : Keep shells separate from raw egg contents to prevent bacterial cross-contamination

  4. Storage Conditions : Store prepared powder in an airtight container in the refrigerator

  5. Expiration Monitoring : Use within 90 days and discard if you notice any unusual odor or appearance

To ensure dogs eat eggshells safely, it is crucial to use high-quality eggs, such as those that are organic and pasture-raised, to avoid harmful chemicals. Additionally, scrambled eggs cooked without any additives can be a healthy treat for dogs, providing an alternative preparation method.

Quality Indicators for Properly Prepared Eggshell Powder

To ensure your eggshell powder is safe for your dog, check for these quality indicators:

  • Powder should be completely dry with no moisture

  • Consistency should be fine and uniform, similar to flour

  • Color should be white to off-white

  • Odor should be neutral or slightly chalky

  • No visible shell fragments should remain

Dog Egg Shell Dosage: How Much to Give Based on Size

The recommended dog egg shell dosage is approximately one teaspoon of powder per 1,000 kcal of food. However, dosage should be adjusted based on your dog’s size, age, and specific needs:

Dog Size

Weight Range

Daily Dosage

Small

Under 20 lbs

¼ - ½ teaspoon

Medium

20-50 lbs

½ - 1 teaspoon

Large

50-90 lbs

1 - 1½ teaspoons

Giant

Over 90 lbs

1½ - 2 teaspoons

Important dosage considerations:

  1. Start with smaller amounts than recommended and gradually increase

  2. Monitor your dog for any adverse reactions

  3. For homemade diets, use approximately 5g of eggshell powder per 1kg of food

  4. Adjust based on your veterinarian’s recommendations for your specific dog

  5. Consider reducing dosage if your dog consumes other calcium-rich foods

Remember that one teaspoon of eggshell powder contains approximately 2,000 mg of calcium, which is sufficient for most dogs’ daily needs when properly dosed.

Potential Risks and Warning Signs

While eggshells are generally safe for dogs when properly prepared, there are potential risks to be aware of: Excessive feeding of eggs or eggshells can lead to health issues, including gastrointestinal distress and calcium overload.

Additionally, raw eggs pose a risk of salmonella contamination, although dogs’ digestive systems can often handle such risks. It is important to follow guidelines on safe feeding practices for both raw and cooked eggs to ensure the overall health of pets.

Bacterial Contamination

Raw eggshells can harbor bacteria like Salmonella. Always thoroughly clean and sterilize shells before use. Signs of bacterial infection may include:

  • Vomiting or diarrhea

  • Lethargy

  • Fever

  • Decreased appetite

While some owners let their dogs eat eggs raw to preserve nutrients, it is important to be aware of the potential risks of bacterial contamination.

Calcium Overdose

Too much calcium can be harmful, especially for large-breed puppies. Signs of excessive calcium intake include:

  • Constipation

  • Bone abnormalities

  • Growth issues in puppies

  • Urinary problems

Digestive Issues

Improperly ground eggshells can cause:

  • Intestinal irritation

  • Constipation

  • Discomfort or pain

  • Digestive blockages in severe cases

Allergic Reactions

Though rare, some dogs may be allergic to components in eggshells. Watch for:

  • Itching or skin irritation

  • Ear infections

  • Gastrointestinal upset

  • Respiratory issues

If you notice any of these symptoms after introducing eggshell powder, discontinue use immediately and consult your veterinarian.

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Summary

Always thoroughly clean, sterilize, and grind eggshells into a fine powder

Start with small amounts and adjust based on your dog’s size and needs

Monitor your dog for any adverse reactions.

Consult with your veterinarian, especially for dogs with health conditions

Conclusion

Eggshells can be a valuable, natural supplement for dogs when properly prepared and administered in appropriate amounts. The calcium and other nutrients they provide support bone health, joint function, and overall wellbeing for dogs of all ages.

Dr. Alex C

About Dr. Alex

Dr. Alex is RCVS accredited Veterinary surgeon and consultant currently practicing at a small animal veterinary practice in the U.K. He achieved his degree In veterinary medicine from the Royal Veterinary College (one of the top 3 vet schools in the world) and has a keen interest and skill in writing. He loves to write veterinary related articles by providing the most up to date and scientifically accurate information in an easy to consume format for pet owners. He can cover a range of topics and is passionate about educating owners worldwide!

Frequently Asked Questions?

Can puppies have eggshell powder?

Yes, puppies can have eggshell powder, but dosage is critical. Growing puppies, especially large breeds, are sensitive to calcium levels. Too much calcium can lead to skeletal problems. Always consult with your veterinarian for appropriate dosing for puppies.

How often should I give my dog eggshell powder?

For most adult dogs, eggshell powder can be given daily with their regular meals. However, if your dog consumes commercial dog food that’s already complete and balanced, eggshell supplementation should be limited to 2-3 times per week to avoid calcium excess.

Can I use eggshells from any type of egg?

While chicken eggshells are most common, shells from duck, quail, or other bird eggs can also be used. The preparation process remains the same, though calcium content may vary slightly between species.

Can I mix eggshell powder with wet or dry food?

Yes, eggshell powder can be mixed with either wet or dry food. Its fine texture makes it easy to blend into any type of dog food without affecting palatability for most dogs.

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